snakekeylogger | dfca2f8f463f035fbf2e00c4c2791d931a905cacea11a14ebfcba3b09554308b

General

Target
PO A108 3.exe
Size 583KB
Sample220404-mc4ccshbfk
SHA256 dfca2f8f463f035fbf2e00c4c2791d931a905cacea11a14ebfcba3b09554308b
MD5 c2f44e9320f0793c8b11ff5d67b947ac
SHA1 c823cfca0df496c94d5e0ac785aaf8f074288de5
SHA512 7ba153d459bac0c359d578f5a043b3ae2c23797676f6889cfec845cb25e2e9248e324b1a7d5f1b8b74750cd440984a5e6a5e75038292638d3d6011f051024068
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5113511902:AAHn3e8S5qqepgaBPPZ5P9grPkB0JpLfF6o/sendMessage?chat_id=5115776998

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1480-131-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO A108 3.exe
Key opened	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO A108 3.exe
Key opened	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO A108 3.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
28	checkip.dyndns.org
30	freegeoip.app
31	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4792 set thread context of 1480	4792	PO A108 3.exe	81

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1480	PO A108 3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	PO A108 3.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 1480	4792	PO A108 3.exe	81
PID 4792 wrote to memory of 1480	4792	PO A108 3.exe	81
PID 4792 wrote to memory of 1480	4792	PO A108 3.exe	81
PID 4792 wrote to memory of 1480	4792	PO A108 3.exe	81
PID 4792 wrote to memory of 1480	4792	PO A108 3.exe	81
PID 4792 wrote to memory of 1480	4792	PO A108 3.exe	81
PID 4792 wrote to memory of 1480	4792	PO A108 3.exe	81
PID 4792 wrote to memory of 1480	4792	PO A108 3.exe	81

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO A108 3.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO A108 3.exe

C:\Users\Admin\AppData\Local\Temp\PO A108 3.exe
"C:\Users\Admin\AppData\Local\Temp\PO A108 3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Users\Admin\AppData\Local\Temp\PO A108 3.exe
  "C:\Users\Admin\AppData\Local\Temp\PO A108 3.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1480

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

PO A108 3.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO A108 3.exe.log
Size 1KB
SHA256 bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
MD5 e08f822522c617a40840c62e4b0fb45e
SHA1 ae516dca4da5234be6676d3f234c19ec55725be7
SHA512 894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4
MD5 SHA1 SHA512

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memory/1480-131-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1480-133-0x0000000006E40000-0x0000000007002000-memory.dmp

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memory/4792-124-0x0000000000FF0000-0x0000000001086000-memory.dmp

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memory/4792-125-0x0000000005FE0000-0x0000000006584000-memory.dmp

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memory/4792-126-0x0000000005AD0000-0x0000000005B62000-memory.dmp

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memory/4792-127-0x0000000005A50000-0x0000000005A5A000-memory.dmp

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memory/4792-128-0x000000000ABD0000-0x000000000AC6C000-memory.dmp

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memory/4792-129-0x000000000ADE0000-0x000000000AE46000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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